• LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...opportunity to make a personal impact as a **Linux** ** Systems Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (11/01/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic… more
    Lockheed Martin (10/22/25)
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  • Systems Administrator

    Koniag Government Services (Washington, DC)
    …Management Solutions,** a Koniag Government Services company, is seeking a Systems Administrator with a Top - Secret clearance with the ability to obtain ... a Koniag Government Services company, is seeking an experienced Systems Administrator to support our government client....Minimum 8 years of system administration experience + Active Top - Secret clearance with ability to obtain SCI… more
    Koniag Government Services (10/01/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... Systems Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the management of… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Systems Administrator

    BAE Systems (Springfield, VA)
    …or 11-14 years with HS diploma (including at least 5 in a recent systems administrator role) + Must hold a Top Secret /SCI security clearance + Ability to ... **Job Description** As a Systems Administrator in an enterprise test organization, the incumbent will be part of a thriving dynamic team of Systems more
    BAE Systems (11/19/25)
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  • Top Secret GIS Administrator

    Insight Global (Washington, DC)
    …https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements Job Requirements: * Active DoD Top Secret Clearance (ICE or DHS adjudication ... is seeking a GIS professional to support enterprise-level geospatial systems for a mission-critical federal client. This role focuses...Day to Day: * Design and implement enterprise GIS systems to meet client requirements and operational needs. *… more
    Insight Global (10/29/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information… more
    V2X (11/15/25)
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  • Systems Administrator II…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - active TS/SCI ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross Domain supports the… more
    V2X (11/14/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …and support of computer systems and networks. **Must have an Active Top Secret /SCI with Polygraph US Government clearance. Note: US Citizenship is required ... **Amentum** is looking for a **Junior Systems Administrator ** to join our team...to maintain a Top Secret /SCI with Polygraph clearance.** **Responsibilities:** +… more
    Amentum (11/18/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: ... a critical DoD system? Join our team as a Systems Administrator ! You will get to use...guidance from more senior technical staff. **Required:** + Active Top Secret or TS/SCI clearance. + **CASP+**… more
    CACI International (10/18/25)
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  • ServiceNow/SharePoint Principal - Top

    General Dynamics Information Technology (Arlington, VA)
    …or Microsoft SharePoint Administrator certification. + **Security Clearance Level:** Active Top Secret with SCI Eligibility + **Location:** On Customer Site, ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (09/13/25)
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  • Cloud Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** CLOUD SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Cloud Systems Administrator to support our customer on the Nautical contract in the ... tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments +...be able to maintain a security clearance at the Top Secret level with SCI eligibility and… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …but not be limited to the following: + Perform as a primary Windows/VMware systems administrator for a classified government contact. + Maintain smooth operation ... the best work of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator ...Bachelor's or Master's degree in IS related field. + Top Secret Clearance. + Experience operating under… more
    Northrop Grumman (11/13/25)
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  • Directory Services Engineer - Active Top

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Infrastructure and Operations **Skills:** Complex Systems ,Computer Engineering, Systems Design **Experience:** 10 + years..., MCSE) **REQUIRED** . Clearance Level Must Currently Possess: Top Secret and SCI eligible . Location:… more
    General Dynamics Information Technology (11/05/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington, DC)
    **Position Description** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data Environment (IDE) in Washington, DC. ... to: careers@serco-na.com . Click here to apply now (https://careers-sercous.icims.com/jobs/71687/ systems - administrator -%28hybrid-infrastructure%29 washington%2c-dc/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (10/29/25)
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  • ServiceNow Principal - Top Secret

    General Dynamics Information Technology (Arlington, VA)
    …System Administrator /Developer certification. + **Security Clearance Level:** Active Top Secret with SCI Eligibility + **Desired Experience:** SharePoint ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (11/25/25)
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  • Systems Administrator (TS Clearance)

    EchoStar (Germantown, MD)
    …an exciting opportunity for a **System Administrator ** with ** TOP SECRET ** clearance in our Defense and Government Systems Division Information Assurance ... devices + Contribute to documentation and ongoing monitoring of systems for continuous improvement and updates for recency and...capable of obtaining and holding a US government DoD/DoW Top Secret clearance with SCI eligibility and/or… more
    EchoStar (11/11/25)
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  • Infrastructure Engineer / Alternate Contract…

    NANA Regional Corporation (Alexandria, VA)
    …and security of mission-critical systems and networks operating across unclassified (NIPRNet), secret (SIPRNet), and top secret (JWICS) domains. + The ... Level II and IAM Level II certifications; Microsoft Certified Azure Administrator Associate; Microsoft Certified Systems Engineer (MCSE). **Desired… more
    NANA Regional Corporation (10/09/25)
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  • Senior Linux Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/26/25)
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  • Systems Administrator (2nd shift)

    General Dynamics Information Technology (Mclean, VA)
    …RQ210242 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Description:** General Dynamics Information Technology has an immediate opening for a Systems Administrator . The candidate is a systems administrator more
    General Dynamics Information Technology (11/13/25)
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